整式乘除(2x+1)²-(x+3)²-(x-1)²+1给个详细的计算过程,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/08 08:50:38
整式乘除(2x+1)²-(x+3)²-(x-1)²+1给个详细的计算过程,

整式乘除(2x+1)²-(x+3)²-(x-1)²+1给个详细的计算过程,
整式乘除(2x+1)²-(x+3)²-(x-1)²+1给个详细的计算过程,

整式乘除(2x+1)²-(x+3)²-(x-1)²+1给个详细的计算过程,
(2x+1)²-(x+3)²-(x-1)²+1
=4x^2+4x+1-(x^2+9+6x)-(x^2+1-2x)+1
=4x^2+4x+1-x^2-9-6x-x^2-1+2x+1
=2x^2-8